Search:

I like my phone thin, there is a 2000 mAh battery sale in ebay, is it good to try?
...

I see the 2000 mah battery that don't need new cover on ebay:

http://cgi.ebay.com/Extended-Slim-Battery-Samsung-Galaxy-S2-I9100-2000mAh-/330600482756?pt=PDA_Accessories&hash=item4cf95307c4

I see a battery in Ebay with 2000mAh, sound good for spare battery

http://cgi.ebay.com/Extended-Slim-Battery-Samsung-Galaxy-S2-I9100-2000mAh-/330600482756?pt=PDA_Accessories&hash=item4cf95307c4

I like the phone thin as well

I don't like the one with new cover.

I like to get one extended as well, but don't like the additional cover.